1049101797981 has 8 divisors (see below), whose sum is σ = 1399259385184. Its totient is φ = 699172704720.

The previous prime is 1049101797979. The next prime is 1049101797983. The reversal of 1049101797981 is 1897971019401.

1049101797981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1049101797979) and next prime (1049101797983).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1049101797981 - 2¹ = 1049101797979 is a prime.

It is a super-2 number, since 2×1049101797981² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049101797983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57112771 + ... + 57131136.

It is an arithmetic number, because the mean of its divisors is an integer number (174907423148).

Almost surely, 2^{1049101797981} is an apocalyptic number.

It is an amenable number.

1049101797981 is a deficient number, since it is larger than the sum of its proper divisors (350157587203).

1049101797981 is a wasteful number, since it uses less digits than its factorization.

1049101797981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114246971.

The product of its (nonzero) digits is 1143072, while the sum is 57.

The spelling of 1049101797981 in words is "one trillion, forty-nine billion, one hundred one million, seven hundred ninety-seven thousand, nine hundred eighty-one".